OpenTechnical

OT-2026-000011693

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011693) never changes.

Identity and time

Publication numberOT-2026-000011693 · never reused
Internal UUID01a0ae6d-1940-7fd8-80cc-2a8becfb3edf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011693
StatusPUBLIC

Content hashes

Canonical text8b088591cd579e98d9e6692b6f90fd5d89d71f8911edde41e4ccfe2ac155a473
Markdown586d1cf725df3702b587736d624570ef2d67f6c1ac9a1413496b715bce870541
PDF
Publication page5ae8c0e8830aecdd20de0bdaa878662692aaadcfbc6f6d0a6a6dea8818bdab62
Manifestbfc949701f1997f0e7dcc4611ef4c3656c5575bd1514b2264078590012cb19df

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0V9GP6uhSiPR3VWtPPkMRjESc0GHBMXack69iBUOVEh/QCRoRpBy84RwcUOWM3ah7TwkPBdsmuLheeFI94EMBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:17.747534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011693
observed 5ae8c0e8830aecdd20de0bdaa8786626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.729269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011693/manifest.json
observed bfc949701f1997f0e7dcc4611ef4c365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.710059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011693/publication.md
observed 586d1cf725df3702b587736d624570ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.690600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011693/publication.txt
observed 8b088591cd579e98d9e6692b6f90fd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.